20953666455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82171241}}^1$

素因数の和:82171266

約数の個数: 16

約数和(自身を含む): 35497976544

約数和(自身を除く): 14544310089

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 82171241, 246513723, 410856205, 1232568615, 1396911097, 4190733291, 6984555485, 20953666455]

約数ペア:

[(1, 20953666455), (3, 6984555485), (5, 4190733291), (15, 1396911097), (17, 1232568615), (51, 410856205), (85, 246513723), (255, 82171241)]